Seiko Cal. 4550 - 841

The Seiko 4550-841 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-fb4a8ef2c3b7]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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